WorksheetsOpen Scied
Total questions: 11
Worksheet time: 6mins
When a system is cooling down, energy is __.
transferring out of it
transferring into it
Energy transfers from hotter objects to "colder" ones.
True
False
In a solid, particles move ___
by sliding past each other
freely
in place
In a gas, particles move
freely
by vibrating in place
by sliding past each other
When a system is warming up, energy is
transferring into it
transferring out of it
Particles in colder water move less than particles in hotter water.
true
false
Energy is __ when higher-energy particles come into contact with lower-energy particles.
transferred
lost
missing
qualitative
A __system is one in which no matter can enter or exit.
locked
solid
closed
tight
__ has mass and takes up space. Liquids and gases are made of particles of this.
space
temperature
systems
matter
What is is called when gas molecules turn into a liquid?
condensation
evaporation
melting
freezing
What is it called when molecules turn from a liquid into a gas?
condensation
evaporation
melting
sublimation
